About
Peter Dahlgren

I have been a Ph.D. Candidate since 2014. My research mainly focuses on political communication and how selective exposure affects political polarization, especially over time. This is sometimes called filter bubbles or echo chambers in the media.

Research Areas

Social media

Political communication

Media effects and media psychology

Political psychology and social cognition

Conspiracy theories and rumours

Rhetoric, logic and dialectic

Experiments, R and data visualization

Current Research

In my dissertation, Selective exposure and online media effects, I investigare how long-term use of social media affects an individual's world view, especially when it comes to attitude polarization among political groups.